UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRM+cROqE/3NzFSlaBUKisTDDVoBrP1i0lyYV8KxFQQ=' 
WHERE 
  key_id = 'c503e255b3b2badb6b98c9bc3fd7134e5a6e55f57d252a06f7c17e5befeb14f3' 
  AND (
    token = 'MRM+cROqE/3NzFSlaBUKisTDDVoBrP1i0lyYV8KxFQQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )